[PATCH tip/core/rcu] rcu: mark init-time-only rcu_bootup_announce() as __init

["Paul E. McKenney" <paulmck@linux.vnet.ibm.com>]

Because rcu_bootup_announce() is used only at boot time, mark it as
__init, presumably so that its memory can be reclaimed.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
 kernel/rcutree_plugin.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index b7dc0c2..a1cf16d 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -33,7 +33,7 @@ DEFINE_PER_CPU(struct rcu_data, rcu_preempt_data);
 /*
  * Tell them what RCU they are running.
  */
-static void rcu_bootup_announce(void)
+static void __init rcu_bootup_announce(void)
 {
 	printk(KERN_INFO
 	       "Experimental preemptable hierarchical RCU implementation.\n");
@@ -475,7 +475,7 @@ void exit_rcu(void)
 /*
  * Tell them what RCU they are running.
  */
-static void rcu_bootup_announce(void)
+static void __init rcu_bootup_announce(void)
 {
 	printk(KERN_INFO "Hierarchical RCU implementation.\n");
 }
-- 
1.5.2.5